Compaq RS-232C Computer Hardware User Manual


 
System Reference
COM-2(PC)F 33
4. System Reference
Specifications
Table 4.1. Specifications
Item Specification
Number of Channels 2
Input Type RS-232C
External connectors Two 9-pin D-SUB connector (Male)
Transfer Method Asychronous serial transfer
Baud Rate 50~115,200bps *1
5, 6, 7, 8 bits
1, 1.5, 2 stop bits *1
Parity heck Even, Odd, Non-parity *1
Controller Chip NS16550 or equivalent
Distance 15m Max.
Enhanced mode : 1 level
Compatible mode : 2 levels
I/O Address 8 bits x 16 ports
+5VDC, 420mA Max.
Power Consumption +12VDC, 60mA Max.
-12VDC, 50mA Max.
Operating Temperature 0~50°C
Storage Temperature -20~60°C
Relative Humidity 20~90% non-condensing
160.0 x 107.0 x 18.5mm
(6.3inch x 4.2inch x 0.7inch)
Weight 130g
*1 : Software programmable.
For details, see "Appendix B Notes on Developing Driver Software" or refer to
the data sheet of the NS16550 or the equivalent chip.
Data Length
Interrupt Requests
Dimensions
Board Dimensions
[mm]
107.0
160.0